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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings;
import android.app.Activity;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.nfc.NfcAdapter;
import android.os.Bundle;
import android.os.SystemProperties;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import com.android.internal.telephony.TelephonyIntents;
import com.android.internal.telephony.TelephonyProperties;
import com.android.settings.nfc.NfcEnabler;
public class WirelessSettings extends SettingsPreferenceFragment {
private static final String KEY_TOGGLE_AIRPLANE = "toggle_airplane";
private static final String KEY_TOGGLE_NFC = "toggle_nfc";
private static final String KEY_VPN_SETTINGS = "vpn_settings";
private static final String KEY_TETHER_SETTINGS = "tether_settings";
private static final String KEY_PROXY_SETTINGS = "proxy_settings";
private static final String KEY_MOBILE_NETWORK_SETTINGS = "mobile_network_settings";
public static final String EXIT_ECM_RESULT = "exit_ecm_result";
public static final int REQUEST_CODE_EXIT_ECM = 1;
private AirplaneModeEnabler mAirplaneModeEnabler;
private CheckBoxPreference mAirplaneModePreference;
private NfcEnabler mNfcEnabler;
/**
* Invoked on each preference click in this hierarchy, overrides
* PreferenceActivity's implementation. Used to make sure we track the
* preference click events.
*/
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
if (preference == mAirplaneModePreference && Boolean.parseBoolean(
SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE))) {
// In ECM mode launch ECM app dialog
startActivityForResult(
new Intent(TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null),
REQUEST_CODE_EXIT_ECM);
return true;
}
// Let the intents be launched by the Preference manager
return super.onPreferenceTreeClick(preferenceScreen, preference);
}
public static boolean isRadioAllowed(Context context, String type) {
if (!AirplaneModeEnabler.isAirplaneModeOn(context)) {
return true;
}
// Here we use the same logic in onCreate().
String toggleable = Settings.System.getString(context.getContentResolver(),
Settings.System.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
return toggleable != null && toggleable.contains(type);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.wireless_settings);
final Activity activity = getActivity();
mAirplaneModePreference = (CheckBoxPreference) findPreference(KEY_TOGGLE_AIRPLANE);
CheckBoxPreference nfc = (CheckBoxPreference) findPreference(KEY_TOGGLE_NFC);
mAirplaneModeEnabler = new AirplaneModeEnabler(activity, mAirplaneModePreference);
mNfcEnabler = new NfcEnabler(activity, nfc);
String toggleable = Settings.System.getString(activity.getContentResolver(),
Settings.System.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
// Manually set dependencies for Wifi when not toggleable.
if (toggleable == null || !toggleable.contains(Settings.System.RADIO_WIFI)) {
findPreference(KEY_VPN_SETTINGS).setDependency(KEY_TOGGLE_AIRPLANE);
}
// Manually set dependencies for Bluetooth when not toggleable.
if (toggleable == null || !toggleable.contains(Settings.System.RADIO_BLUETOOTH)) {
// No bluetooth-dependent items in the list. Code kept in case one is added later.
}
// Remove NFC if its not available
if (NfcAdapter.getDefaultAdapter(activity) == null) {
getPreferenceScreen().removePreference(nfc);
}
// Remove Mobile Network Settings if it's a wifi-only device.
if (Utils.isWifiOnly()) {
getPreferenceScreen().removePreference(findPreference(KEY_MOBILE_NETWORK_SETTINGS));
}
// Enable Proxy selector settings if allowed.
Preference mGlobalProxy = findPreference(KEY_PROXY_SETTINGS);
DevicePolicyManager mDPM = (DevicePolicyManager)
activity.getSystemService(Context.DEVICE_POLICY_SERVICE);
// proxy UI disabled until we have better app support
getPreferenceScreen().removePreference(mGlobalProxy);
mGlobalProxy.setEnabled(mDPM.getGlobalProxyAdmin() == null);
// Disable Tethering if it's not allowed or if it's a wifi-only device
ConnectivityManager cm =
(ConnectivityManager) activity.getSystemService(Context.CONNECTIVITY_SERVICE);
if (!cm.isTetheringSupported()) {
getPreferenceScreen().removePreference(findPreference(KEY_TETHER_SETTINGS));
} else {
String[] usbRegexs = cm.getTetherableUsbRegexs();
String[] wifiRegexs = cm.getTetherableWifiRegexs();
String[] bluetoothRegexs = cm.getTetherableBluetoothRegexs();
boolean usbAvailable = usbRegexs.length != 0;
boolean wifiAvailable = wifiRegexs.length != 0;
boolean bluetoothAvailable = bluetoothRegexs.length != 0;
Preference p = findPreference(KEY_TETHER_SETTINGS);
if (wifiAvailable && usbAvailable && bluetoothAvailable) {
p.setTitle(R.string.tether_settings_title_all);
} else if (wifiAvailable && usbAvailable) {
p.setTitle(R.string.tether_settings_title_all);
} else if (wifiAvailable && bluetoothAvailable) {
p.setTitle(R.string.tether_settings_title_all);
} else if (wifiAvailable) {
p.setTitle(R.string.tether_settings_title_wifi);
} else if (usbAvailable && bluetoothAvailable) {
p.setTitle(R.string.tether_settings_title_usb_bluetooth);
} else if (usbAvailable) {
p.setTitle(R.string.tether_settings_title_usb);
} else {
p.setTitle(R.string.tether_settings_title_bluetooth);
}
}
}
@Override
public void onResume() {
super.onResume();
mAirplaneModeEnabler.resume();
mNfcEnabler.resume();
}
@Override
public void onPause() {
super.onPause();
mAirplaneModeEnabler.pause();
mNfcEnabler.pause();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CODE_EXIT_ECM) {
Boolean isChoiceYes = data.getBooleanExtra(EXIT_ECM_RESULT, false);
// Set Airplane mode based on the return value and checkbox state
mAirplaneModeEnabler.setAirplaneModeInECM(isChoiceYes,
mAirplaneModePreference.isChecked());
}
}
}
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